Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8528509 | Variable valve lift apparatus | Hosung Cho, Jin Gyu Yang, Myung Rae Cho, Hong Wook Lee, Seong Hyuk Kang +6 more | 2013-09-10 |
| 8468985 | Electro-hydraulic variable valve lift apparatus | Hosung Cho, Jin Gyu Yang, Myung Rae Cho, Hong Wook Lee, Duk-Jin Park +8 more | 2013-06-25 |
| D640833 | Dental floss holder having an interdental brush | — | 2011-06-28 |